package v1ch3.CompoundInterest;

public class CompoundInterest {
	public static void main(String[] args) {
		final double STARTRATE=10;
		final int NRATES=6;
		final int NYEARS=10;
		
		double[] interestRate=new double[NRATES];
		for (int j = 0; j < interestRate.length; j++) {
			interestRate[j]=(STARTRATE+j)/100.0;
		}
		
		double[][] balances=new double[NYEARS][NRATES];
		
		for (int j = 0; j < balances[0].length; j++) {
			balances[0][j]=10000;
		}
		
		for (int i = 1; i < balances.length; i++) {
			for (int j = 0; j < balances[i].length; j++) {
				double oldBalance=balances[i-1][j];
				
				double interest=oldBalance*interestRate[j];
				
				balances[i][j]=oldBalance+interest;
			}
		}
		
		for (int j = 0; j < interestRate.length; j++) {
			System.out.printf("%9.0f%%", 100*interestRate[j]);
		}
		System.out.println();
		
		for (double[] row:balances) {
			for (double d : row) {
				System.out.printf("%10.2f", d);
			}
			System.out.println();
		}
	}
}
